2321478 has 12 divisors (see below), whose sum is σ = 5029908. Its totient is φ = 773820.

The previous prime is 2321443. The next prime is 2321507. The reversal of 2321478 is 8741232.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 64468 + ... + 64503.

It is an arithmetic number, because the mean of its divisors is an integer number (419159).

2^2321478 is an apocalyptic number.

2321478 is an abundant number, since it is smaller than the sum of its proper divisors (2708430).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2321478 is a wasteful number, since it uses less digits than its factorization.

2321478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128979 (or 128976 counting only the distinct ones).

The product of its digits is 2688, while the sum is 27.

The square root of 2321478 is about 1523.6397211940. The cubic root of 2321478 is about 132.4102251727.

The spelling of 2321478 in words is "two million, three hundred twenty-one thousand, four hundred seventy-eight".